NOAA Logo

NWS Logo

Organizations

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Sunday, March 23, 2025 17:07:57

Main menu

NOAA Scales mini

minimize icon
Space Weather Conditions
on NOAA Scales
24-Hour Observed Maximums
R
no data
S
no data
G
no data
Latest Observed
R
no data
S
no data
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
R1-R2 --
R3-R5 --
S1 or greater --
G
no data
maximize icon
R
no data
S
no data
G
no data
Current Space Weather Conditions
on NOAA Scales
R1 (Minor) Radio Blackout Impacts
close
HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales

News Archive

Previous SWPC news items.

News Archive

Originally Postedsort ascending
WSA Enlil model run A pair of CMEs Thursday, September 11, 2014 - 05:45
DRAP image Recent R3 (NOAA Scale - Strong) Solar Flare Wednesday, September 10, 2014 - 18:02
a model depiction of a CME expected to arrive at Earth on 12 September G2 (moderate) Geomagnetic Storm Watch Tuesday, September 9, 2014 - 18:39
Activity from Region 2158... Tuesday, September 9, 2014 - 04:56
Back-sided Coronal Mass Ejection Tuesday, September 2, 2014 - 14:21

Pages